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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2363569Generated: October 30, 2026

L-Leucine, N-((1,1-dimethylethoxy)carbonyl)- → N2-neopentyl-N1-((3aS,4R,6aR)-2-{[3-(trifluoromethyl)phenyl]sulfonyl}octahydrocyclopenta[c]pyrrol-4-yl)-L-norvalinamide

https://huagongshe.com/reaction/2363569

Reaction equation

Participants

RoleNameHCIDCharge
ReactantL-Leucine, N-((1,1-dimethylethoxy)carbonyl)-HCID 83170—
Reactant(3aS,4R,6aR)-2-(3-(Trifluoromethyl)phenylsulfonyl)octahydrocyclopenta[c]pyrrol-4-amineHCID 66590613—
Reactant(3aR,4S,6aS)-2-benzyloctahydrocyclopenta[c]pyrrol-4-amineHCID 66591011—
ProductN2-neopentyl-N1-((3aS,4R,6aR)-2-{[3-(trifluoromethyl)phenyl]sulfonyl}octahydrocyclopenta[c]pyrrol-4-yl)-L-norvalinamideHCID 68413250—

Reaction Steps

The title compound was prepared by substituting (S)-2-(neopentylamino)pentanoic acid from Step A of Example 246 for N-(tert-butoxycarbonyl)-L-leucine and (3aS,4R,6aR)-2-(3-(trifluoromethyl)phenylsulfonyl)octahydrocyclopenta[c]pyrrol-4-amine from Step A of Example 254 for (3aR,4S,6aS)-2-benzyloctahydrocyclopenta[c]pyrrol-4-amine in the procedure described in Example 221: 1H NMR (500 MHz, pyridine-d5) δ ppm 8.37-8.38 (bs, 1H), 8.18 (d, J=7.9 Hz, 1H), 8.09-8.11 (m, 1H), 7.90-7.92 (m, 1H), 7.71 (t, J=7.8 Hz, 1H), 4.20-4.27 (m, 1H), 3.88 (dd, J=9.9, 2.8 Hz, 1H), 3.20 (dd, J=6.6, 3.1 Hz, 1H), 3.16-3.20 (m, 1H), 3.14 (dd, J=9.9, 7.8 Hz, 1H), 2.96 (dd, J=9.6, 7.3 Hz, 1H), 2.46-2.61 (m, 2H), 2.38 (d, J=11.3 Hz, 1H), 2.33 (d, J=11.3 Hz, 1H), 1.92-1.99 (m, 1H), 1.83-1.90 (m, 1H), 1.76-1.83 (m, 1H), 1.66-1.87 (m, 1H), 1.61-1.70 (m, 1H), 1.38-1.58 (m, 3H), 1.26-1.37 (m, 1H), 0.92 (s, 9H), 0.85 (t, J=7.3 Hz, 3H); MS (ESI+) m/z 504 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08691865B2
Source datasetuspto-grants-2014_04
ORD IDord-a20d070e53fc40aab3f4d98d15a36767
Source noteuspto-grants-2014_04